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Wurtzite-2H & Dufrénoysite

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POL880594

Wurtzite-2H & Dufrénoysite

Analysed
Classic Locality

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 0.8 × 0.6 cm
Description

Very nice, analysed specimen of small Wurtzite-2H crystlas (!) with metallic, crystals and masses of rare Dufrenoysite on well formed Dolomite crystal on typical "sugary" dolostone from famous Lengenbach. Specimen from 1987 in orginal acrylic box!

Mineral Data
What's on the rock

Wurtzite-2H

Polytype Of: 

Wurtzite

Formula: 
(Zn,Fe)S
Strunz: 
2.CB.45
Hardness: 
3.5 - 4.0

Dufrénoysite

Formula: 
Pb2As2S5
Strunz: 
2.HC.05d
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

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